Rs250 walbro pump upgrade

Discussion in 'Mechanical - Engine, Gearbox, Exhaust etc' started by Alex Shaw, May 2, 2020.

  1. I have a rs250 and was looking at putting a walbro 255 in the tank. However I am struggling to get it to fit? Anyone done it before and got any photos that would help? Cheers
     
  2. ianplymouth

    ianplymouth RSM Club Member

    That fuel pump upgrade is for the Mk2 and not the mk3, i have not heard of anyone upgrading the mk3 one yet.
     
  3. ianplymouth

    ianplymouth RSM Club Member

    I was told there different, not had mine out (yet) so i can't tell you for certain if it will fit or not
     
  4. Okay well thanks anyway! Be interested if people running big power have fitted a walbro? Or just gone for additional external pumps?
     
  5. What’s “big power”?
     
  6. matt e

    matt e South East RSM Area Rep

    The mk3 is smaller dimensional than the mk2

    Sent from my SM-G965F using Tapatalk
     
  7. Hi Matt. looking into a pump upgrade for my 250. any idea if an option is available now. as you mentioned its a smaller pump. I am struggling to find something to suit tia
     
  8. Rumour control saying mk III factory pump good for around 400 ponies but hay
     
  9. appently but seems widely un tested. I am hoping to get into or around 400hp. have everything but don't want to be held back by the pump on mapping day.
     

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